12 Skinny Foods to Help You Slim Down Fast

Popcorn

One cup of “naked” air-popped popcorn (without any added butter or oil) has only 30 calories! If you don’t own an air popper, you can make plain popcorn right in your microwave. Add 4 tablespoons popcorn kernels to a brown paper lunch bag, fold over the edge of the bag twice to close it, and microwave the bag on high for 1.5 to 2 minutes. (Microwave times will vary; it will take a few trial runs to figure out the perfect amount of time required to pop the kernels without burning them.) To kick up the flavor, sprinkle your popcorn with Parmesan cheese, spices (chili powder and cumin, yum!), or even hot sauce.